Patents
US 8070691 B2: Cytology device
- Granted
- 2011-12-06
- Filed
- 2008-12-09 application 12331123
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A cytology device and a method of use thereof are described. The cytology scraper comprises a scraping element that provides increased tissue removal capabilities over conventional cytology brushes. The edges of the scraping element can also simultaneously dilate strictures during the tissue removal procedure.
Source: PVGPATDIS, file of 2026-04-10 (ipg111206.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Cook Medical Technologies LLC 1,884 patents | US company or organization | Bloomington, IN | PVGPATDIS, file of 2026-04-10 | |
| Baystate Health, Inc. 4 patents | US company or organization | Springfield, MA | BAYSTATE HEALTH INC Nonprofit EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| David Desilets | Springfield, MA | 2 | PVGPATDIS, file of 2026-04-10 | |
| Richard W. Ducharme | Winston-Salem, NC | 45 | Person page FUZZY medium confidence | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61B | Diagnosis; surgery; identification | A61B17/320783 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-02-28 | Security interest Security interest Security interest | COOK MEDICAL TECHNOLOGIES LLC signed 2024-02-27 | WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT WILMINGTON, DE | 66700/277 | PASDL, file of 2026-10-15 |
| 2011-10-11 | Assignment Assignment of assignor's interest | WILSON-COOK MEDICAL INC. signed 2011-10-03 | COOK MEDICAL TECHNOLOGIES LLC BLOOMINGTON, IN | 27043/150 | ECORSEXC, file of 2026-09-25 |
| 2009-04-29 | Assignment Assignment of assignor's interest | DUCHARME, RICHARD W. signed 2008-12-18 DESILETS, DAVID J., M.D. signed 2008-12-19 | WILSON-COOK MEDICAL INC. WINSTON-SALEM, NC BAYSTATE HEALTH, INC. SPRINGFIELD, MA | 22609/125 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.